Getting information sailing in Dodecanese islands-Greece

[dar444]

Would appreciate to receive information sailing one week during June starting and finish in Kos on these islands:
Patmos. Leros, Kalimnos, Levitha, Perimos,
The requested information includes:
Where to stay safe at nights ?
Recommended path starting and finish in Kos ?
Recommended restaurants everywhere ?
Navigatin warnings ?
Addtional tips ?

Thanks heartily all ionformation